Conospermum polycephalum

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Conospermum polycephalum
Conospermum polycephalum.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Conospermum
Species:
C. polycephalum
Binomial name
Conospermum polycephalum
Synonyms [1]

Conospermum polycephalumMeisn. var. polycephalum

Conospermum polycephalum is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a spindly or semi-prostrate shrub with dense, thread-like leaves at the base of the plant, and panicles of white, pink or blue, tube-shaped flowers, the fruit a hairy, cream-coloured nut.

Contents

Description

Conospermum polycephalum is a spindly or semi-prostrate shrub that typically grows to a height of 30–75 cm (12–30 in), sometimes to 1 m (3 ft 3 in). It has dense, thread-like leaves, 12–200 mm (0.47–7.87 in) long and 0.5–1 mm (0.020–0.039 in) wide at the base of the stem. The flowers are arranged in panicles on a peduncle 50–70 mm (2.0–2.8 in) long, with bluish-green egg-shaped bracteoles 3–4 mm (0.12–0.16 in) long and 2–4 mm (0.079–0.157 in) wide on the peduncle. The flowers are white, pink or blue, and form a tube 2.5–3.5 mm (0.098–0.138 in) long. The upper lip is elliptic to egg-shaped, 3–5 mm (0.12–0.20 in) long and 1.5–3 mm (0.059–0.118 in) wide and the lower lip linear to elliptic, 2–4 mm (0.079–0.157 in) long and 0.25–0.5 mm (0.0098–0.0197 in) wide. Flowering occurs from July to September, and the fruit is a cream-coloured nut with rust-coloured hairs, 2.0–2.5 mm (0.079–0.098 in) long and 2.5–2.75 mm (0.098–0.108 in) wide. [2] [3]

Taxonomy

Conospermum polycephalum was first formally described in 1848 by Carl Meissner in Lehmann's Plantae Preissianae from specimens collected near the Swan River by James Drummond. [4] [5] The specific epithet (polycephalum) means 'many-headed'. [6]

Distribution and habitat

This species of Conospermum is found from north of Perth to Wubin in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest and Swan Coastal Plain bioregions of south-western Western Australia, where it grows in gravelly soil. [2] [3]

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References

  1. 1 2 "Conospermum polycephalum". Australian Plant Census. Retrieved 18 October 2024.
  2. 1 2 Bennett, Eleanor M. "Conospermum polycephalum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 18 October 2024.
  3. 1 2 "Conospermum polycephalum". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. "Conospermum polycephalum". Australian Plant Name Index. Retrieved 18 October 2024.
  5. Meissner, Carl (1848). Lehmann, Johann G.C. (ed.). Plantae Preissianae. Hamburg: Sumptibus Meissneri. p. 249. Retrieved 18 October 2024.
  6. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 281. ISBN   9780958034180.